fix(deps): update dependency fx-runner to v1.0.12 (#1929)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package-lock.json

@@ -65,7 +65,7 @@
     "es6-error": "4.1.1",
     "event-to-promise": "0.8.0",
     "firefox-profile": "1.3.1",
-    "fx-runner": "1.0.11",
+    "fx-runner": "1.0.12",
     "git-rev-sync": "2.0.0",
     "import-fresh": "3.2.1",
     "mkdirp": "1.0.4",